<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">WeiJie</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="Password"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登陆</el-button>

      <div class="tips">
        <el-button type="text" @click="dialogFormVisible = true">注册用户</el-button>
        <!-- <span style="margin-right:20px;">username: admin</span>
        <span> password: any</span> -->
      </div>

    </el-form>
    <el-dialog title="收货地址" :visible.sync="dialogFormVisible">
      <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
        <el-form-item label="用户名" prop="username">
          <el-input type="text" v-model="ruleForm.username" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input type="text" v-model="ruleForm.email" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input type="password" v-model="ruleForm.password" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="确认密码" prop="checkPassword">
          <el-input type="password" v-model="ruleForm.checkPassword" autocomplete="off"></el-input>
        </el-form-item>
        <!-- <el-form-item>
          <el-button type="primary" @click="submitForm('ruleForm')">提交</el-button>
          <el-button @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item> -->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="dialogFormVisible = false; submitForm('ruleForm')">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'
import { createUser } from '@/api/user'
import { createUserLog } from '@/api/user'


export default {
  name: 'Login',
  data() {
    var validateEmail = (rule, value, callback) => {
        let temp = /^[\w.\-]+@(?:[a-z0-9]+(?:-[a-z0-9]+)*\.)+[a-z]{2,3}$/
        if (value && (!(temp).test(value))) {
          callback(new Error('请输入正确的邮箱'))
        } else {
          callback()
        }
    };
    var validatePass = (rule, value, callback) => {
      if (value === '' || value.length < 7) {
        callback(new Error('请输入大于8位的密码'));
      } else {
        if (this.ruleForm.checkPassword !== '') {
          this.$refs.ruleForm.validateField('checkPassword');
        }
        callback();
      }
    };
    var validatePass2 = (rule, value, callback) => {
      if (value === '') {
        callback(new Error('请再次输入密码'));
      } else if (value !== this.ruleForm.password) {
        callback(new Error('两次输入密码不一致!'));
      } else {
        callback();
      }
    };

    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入有效的用户名'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 7) {
        callback(new Error('请输入大于8位的密码'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: 'admin',
        password: 'zjc123456'
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined,
      ruleForm: {
          username: '',
          email: '',
          password: '',
          checkPassword: ''
        },
      rules: {
        username: [
          { required: true, trigger: 'blur', message: '请输入用户名' }
        ],
        email: [
          { required: true, validator: validateEmail, trigger: 'blur' }
        ],
        password: [
          { required: true, validator: validatePass, trigger: 'blur' }
        ],
        checkPassword: [
          { required: true, validator: validatePass2, trigger: 'blur' }
        ],
      },
      formLabelWidth: '120px',
      dialogFormVisible: false
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            this.createUserLog();
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    submitForm(formName) {
        this.$refs[formName].validate((valid) => {
          if (valid) {
            
            createUser(this.ruleForm).then(response => {
              console.log(response)
              if(response.status == 201) {
                this.$message({
                  message: '用户创建成功，请登录邮箱，激活用户。',
                  type: 'success'
                });
              } else {    
                this.$message({
                  message: '用户创建失败，请重试。',
                  type: 'error'
                });
              }
            })
          } else {
            console.log('error submit!!');
            return false;
          }
        });
      },
      createUserLog() {
        createUserLog().then(response => {
          this.tableData = response.data
          this.total = this.tableData.length
        })  
      },
      resetForm(formName) {
        this.$refs[formName].resetFields();
      }

  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
